Petrol Vs Diesel Engines

while petrol hybrid cars are very efficient, they still can't match the fuel economy of diesel hybrids. The scepticism that however still remains attached to diesel-powered cars is that they are slow, but with the introduction of the turbocharger, engineers are proud to say that that is no longer a problem.
 
Global warming, rising sea levels, erratic rainfall patterns and increased pollution are some of the factors that have led to a shift by car manufacturers to produce smaller engines with automatic transmission that are tuned for efficiency rather than performance. I mean back in the 70's, when Chevrolet used to make 7.0L engines called 'turbo fire' on manual rear-wheel coupes, who would have imagined that a time would come when a car would come fitted with a CVT on a 900cc engine and this was considered normal? They say that the beautiful ones are yet to be born, but in the motoring world the beautiful (and great) ones were long born. By saying this I wish I had time to delve into the relegation that car design has and will continue to suffer, but let me stick to the debate at hand for now.
 
Having understood that engines are being reduced in size to address the effects of global warming, turbochargers, which vary in size and operation, have been employed to give diesel engines the speed of their petrol counterparts while retaining their superb efficiency. Almost every pick-up truck and SUV diesel engine coming off the production run right now is turbocharged, but reduced in size so that the same output of a 4.0L engine can now be achieved by a 2.5L turbo diesel. The result is a combination of massive power and great fuel economy, which is a win-win for both the consumer and the environment.

Related tags:Internal combustion enginediesel engine, diesel engine
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